# universajiot ## Description Hand-solderable 9V battery-powered 555 timer astable circuit that blinks a red LED about once per second through an on/off switch. ## Project Details - **Owner:** wid1cw - **Created:** 6/19/2026 - **Last Updated:** 6/19/2026 - **Visibility:** Public ## Key Components ### BATM_PAD — [1040](https://www.flux.ai/cherepanyadima/1040~lm.md) - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf - Manufacturer Part Number: 1040 - Manufacturer Name: Keystone - Role: Large Solder Pad - Part Type: Connectors **Pins:** - TP [pin TP] ### BATP_PAD — [1040](https://www.flux.ai/cherepanyadima/1040~lm.md) - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf - Manufacturer Part Number: 1040 - Role: Large Solder Pad - Manufacturer Name: Keystone - Part Type: Connectors **Pins:** - TP [pin TP] ### D2 — [KT-1206R](https://www.flux.ai/adrian95/kt-1206r~ru.md) - LCSC Part Number: C49018 - Manufacturer Part Number: KT-1206R - Manufacturer Name: Hubei KENTO Elec - Datasheet URL: https://www.lcsc.com/datasheet/C49018.pdf - Role: Status LED - Part Type: LED - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - A [pin 2] - K [pin 1] ### EN_PAD — [1040](https://www.flux.ai/cherepanyadima/1040~lm.md) - Manufacturer Name: Keystone - Role: Large Solder Pad - Part Type: Connectors - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf - Manufacturer Part Number: 1040 **Pins:** - TP [pin TP] ### G0 — [1040](https://www.flux.ai/cherepanyadima/1040~lm.md) - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf - Manufacturer Part Number: 1040 - Role: Large Solder Pad - Manufacturer Name: Keystone - Part Type: Connectors **Pins:** - TP [pin TP] ### G0_UART_BOOT — [1040](https://www.flux.ai/cherepanyadima/1040~lm.md) - Part Type: Connectors - Manufacturer Name: Keystone - Manufacturer Part Number: 1040 - Role: Large Solder Pad - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf **Pins:** - TP [pin TP] ### G0_UART_BOOT2 — [1040](https://www.flux.ai/cherepanyadima/1040~lm.md) - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf - Manufacturer Part Number: 1040 - Role: Large Solder Pad - Manufacturer Name: Keystone - Part Type: Connectors **Pins:** - TP [pin TP] ### G1_TX0 — [1040](https://www.flux.ai/cherepanyadima/1040~lm.md) - Role: Large Solder Pad - Manufacturer Name: Keystone - Part Type: Connectors - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf - Manufacturer Part Number: 1040 **Pins:** - TP [pin TP] ### G1_UART_TX0 — [1040](https://www.flux.ai/cherepanyadima/1040~lm.md) - Role: Large Solder Pad - Manufacturer Name: Keystone - Part Type: Connectors - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf - Manufacturer Part Number: 1040 **Pins:** - TP [pin TP] ### G12 — [1040](https://www.flux.ai/cherepanyadima/1040~lm.md) - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf - Manufacturer Part Number: 1040 - Manufacturer Name: Keystone - Role: Large Solder Pad - Part Type: Connectors **Pins:** - TP [pin TP] ### G12_AUX — [1040](https://www.flux.ai/cherepanyadima/1040~lm.md) - Manufacturer Part Number: 1040 - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf - Role: Large Solder Pad - Part Type: Connectors - Manufacturer Name: Keystone **Pins:** - TP [pin TP] ### G13 — [1040](https://www.flux.ai/cherepanyadima/1040~lm.md) - Role: Large Solder Pad - Part Type: Connectors - Manufacturer Name: Keystone - Manufacturer Part Number: 1040 - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf **Pins:** - TP [pin TP] ### G13_AUX — [1040](https://www.flux.ai/cherepanyadima/1040~lm.md) - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf - Manufacturer Part Number: 1040 - Role: Large Solder Pad - Manufacturer Name: Keystone - Part Type: Connectors **Pins:** - TP [pin TP] ### G14 — [1040](https://www.flux.ai/cherepanyadima/1040~lm.md) - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf - Manufacturer Part Number: 1040 - Role: Large Solder Pad - Manufacturer Name: Keystone - Part Type: Connectors **Pins:** - TP [pin TP] ### G14_AUX — [1040](https://www.flux.ai/cherepanyadima/1040~lm.md) - Manufacturer Name: Keystone - Role: Large Solder Pad - Part Type: Connectors - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf - Manufacturer Part Number: 1040 **Pins:** - TP [pin TP] ### G15 — [1040](https://www.flux.ai/cherepanyadima/1040~lm.md) - Part Type: Connectors - Role: Large Solder Pad - Manufacturer Name: Keystone - Manufacturer Part Number: 1040 - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf **Pins:** - TP [pin TP] ### G16 — [1040](https://www.flux.ai/cherepanyadima/1040~lm.md) - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf - Manufacturer Part Number: 1040 - Manufacturer Name: Keystone - Part Type: Connectors - Role: Large Solder Pad **Pins:** - TP [pin TP] ### G17 — [1040](https://www.flux.ai/cherepanyadima/1040~lm.md) - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf - Manufacturer Part Number: 1040 - Manufacturer Name: Keystone - Role: Large Solder Pad - Part Type: Connectors **Pins:** - TP [pin TP] ### G18 — [1040](https://www.flux.ai/cherepanyadima/1040~lm.md) - Manufacturer Name: Keystone - Part Type: Connectors - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf - Role: Large Solder Pad - Manufacturer Part Number: 1040 **Pins:** - TP [pin TP] ### G18_TFT_SCK — [1040](https://www.flux.ai/cherepanyadima/1040~lm.md) - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf - Manufacturer Part Number: 1040 - Manufacturer Name: Keystone - Role: Large Solder Pad - Part Type: Connectors **Pins:** - TP [pin TP] ### G19 — [1040](https://www.flux.ai/cherepanyadima/1040~lm.md) - Part Type: Connectors - Role: Large Solder Pad - Manufacturer Name: Keystone - Manufacturer Part Number: 1040 - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf **Pins:** - TP [pin TP] ### G19_TFT_MISO — [1040](https://www.flux.ai/cherepanyadima/1040~lm.md) - Part Type: Connectors - Manufacturer Name: Keystone - Role: Connector - Manufacturer Part Number: 1040 - Role Details: Large through-hole solder pad for wire attachment - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf **Pins:** - TP [pin TP] ### G2 — [1040](https://www.flux.ai/cherepanyadima/1040~lm.md) - Manufacturer Name: Keystone - Part Type: Connectors - Role: Large Solder Pad - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf - Manufacturer Part Number: 1040 **Pins:** - TP [pin TP] ### G21 — [1040](https://www.flux.ai/cherepanyadima/1040~lm.md) - Part Type: Connectors - Role: Large Solder Pad - Manufacturer Name: Keystone - Manufacturer Part Number: 1040 - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf **Pins:** - TP [pin TP] ### G21_OLED_SDA — [1040](https://www.flux.ai/cherepanyadima/1040~lm.md) - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf - Role Details: Large through-hole solder pad for wire attachment - Role: Connector - Manufacturer Part Number: 1040 - Manufacturer Name: Keystone - Part Type: Connectors **Pins:** - TP [pin TP] ### G21_TFT_DC — [1040](https://www.flux.ai/cherepanyadima/1040~lm.md) - Role Details: Large through-hole solder pad for wire attachment - Manufacturer Name: Keystone - Role: Connector - Part Type: Connectors - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf - Manufacturer Part Number: 1040 **Pins:** - TP [pin TP] ### G22 — [1040](https://www.flux.ai/cherepanyadima/1040~lm.md) - Manufacturer Name: Keystone - Part Type: Connectors - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf - Role: Large Solder Pad - Manufacturer Part Number: 1040 **Pins:** - TP [pin TP] ### G22_OLED_SCL — [1040](https://www.flux.ai/cherepanyadima/1040~lm.md) - Part Type: Connectors - Manufacturer Name: Keystone - Role: Large Solder Pad - Manufacturer Part Number: 1040 - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf **Pins:** - TP [pin TP] ### G22_TFT_RST — [1040](https://www.flux.ai/cherepanyadima/1040~lm.md) - Role: Connector - Manufacturer Part Number: 1040 - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf - Role Details: Large through-hole solder pad for wire attachment - Part Type: Connectors - Manufacturer Name: Keystone **Pins:** - TP [pin TP] ### G23 — [1040](https://www.flux.ai/cherepanyadima/1040~lm.md) - Role: Large Solder Pad - Manufacturer Name: Keystone - Part Type: Connectors - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf - Manufacturer Part Number: 1040 **Pins:** - TP [pin TP] ### G23_TFT_MOSI — [1040](https://www.flux.ai/cherepanyadima/1040~lm.md) - Role: Large Solder Pad - Manufacturer Part Number: 1040 - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf - Part Type: Connectors - Manufacturer Name: Keystone **Pins:** - TP [pin TP] ### G25 — [1040](https://www.flux.ai/cherepanyadima/1040~lm.md) - Part Type: Connectors - Role: Large Solder Pad - Manufacturer Name: Keystone - Manufacturer Part Number: 1040 - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf **Pins:** - TP [pin TP] ### G26 — [1040](https://www.flux.ai/cherepanyadima/1040~lm.md) - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf - Manufacturer Part Number: 1040 - Manufacturer Name: Keystone - Role: Large Solder Pad - Part Type: Connectors **Pins:** - TP [pin TP] ### G27 — [1040](https://www.flux.ai/cherepanyadima/1040~lm.md) - Role: Large Solder Pad - Part Type: Connectors - Manufacturer Name: Keystone - Manufacturer Part Number: 1040 - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf **Pins:** - TP [pin TP] ### G3_RX0 — [1040](https://www.flux.ai/cherepanyadima/1040~lm.md) - Manufacturer Name: Keystone - Part Type: Connectors - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf - Role: Large Solder Pad - Manufacturer Part Number: 1040 **Pins:** - TP [pin TP] ### G3_UART_RX0 — [1040](https://www.flux.ai/cherepanyadima/1040~lm.md) - Manufacturer Name: Keystone - Role: Large Solder Pad - Part Type: Connectors - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf - Manufacturer Part Number: 1040 **Pins:** - TP [pin TP] ### G32 — [1040](https://www.flux.ai/cherepanyadima/1040~lm.md) - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf - Manufacturer Part Number: 1040 - Role: Large Solder Pad - Manufacturer Name: Keystone - Part Type: Connectors **Pins:** - TP [pin TP] ### G33 — [1040](https://www.flux.ai/cherepanyadima/1040~lm.md) - Manufacturer Name: Keystone - Part Type: Connectors - Role: Large Solder Pad - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf - Manufacturer Part Number: 1040 **Pins:** - TP [pin TP] ### G34 — [1040](https://www.flux.ai/cherepanyadima/1040~lm.md) - Role: Large Solder Pad - Manufacturer Part Number: 1040 - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf - Part Type: Connectors - Manufacturer Name: Keystone **Pins:** - TP [pin TP] ### G35 — [1040](https://www.flux.ai/cherepanyadima/1040~lm.md) - Manufacturer Name: Keystone - Part Type: Connectors - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf - Role: Large Solder Pad - Manufacturer Part Number: 1040 **Pins:** - TP [pin TP] ### G36 — [1040](https://www.flux.ai/cherepanyadima/1040~lm.md) - Manufacturer Name: Keystone - Part Type: Connectors - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf - Manufacturer Part Number: 1040 - Role: Large Solder Pad **Pins:** - TP [pin TP] ### G39 — [1040](https://www.flux.ai/cherepanyadima/1040~lm.md) - Role: Large Solder Pad - Manufacturer Part Number: 1040 - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf - Part Type: Connectors - Manufacturer Name: Keystone **Pins:** - TP [pin TP] ### G4 — [1040](https://www.flux.ai/cherepanyadima/1040~lm.md) - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf - Role: Large Solder Pad - Manufacturer Part Number: 1040 - Manufacturer Name: Keystone - Part Type: Connectors **Pins:** - TP [pin TP] ### G4_TFT_BL — [1040](https://www.flux.ai/cherepanyadima/1040~lm.md) - Part Type: Connectors - Manufacturer Name: Keystone - Role: Connector - Manufacturer Part Number: 1040 - Role Details: Large through-hole solder pad for wire attachment - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf **Pins:** - TP [pin TP] ### G5 — [1040](https://www.flux.ai/cherepanyadima/1040~lm.md) - Part Type: Connectors - Manufacturer Name: Keystone - Role: Large Solder Pad - Manufacturer Part Number: 1040 - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf **Pins:** - TP [pin TP] ### G5_TFT_CS — [1040](https://www.flux.ai/cherepanyadima/1040~lm.md) - Part Type: Connectors - Manufacturer Name: Keystone - Manufacturer Part Number: 1040 - Role Details: Large through-hole solder pad for wire attachment - Role: Connector - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf **Pins:** - TP [pin TP] ### GND1 — [1040](https://www.flux.ai/cherepanyadima/1040~lm.md) - Manufacturer Part Number: 1040 - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf - Role: Large Solder Pad - Part Type: Connectors - Manufacturer Name: Keystone **Pins:** - TP [pin TP] ### GND2 — [1040](https://www.flux.ai/cherepanyadima/1040~lm.md) - Manufacturer Name: Keystone - Role: Large Solder Pad - Part Type: Connectors - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf - Manufacturer Part Number: 1040 **Pins:** - TP [pin TP] ### GND3 — [1040](https://www.flux.ai/cherepanyadima/1040~lm.md) - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf - Role: Large Solder Pad - Manufacturer Part Number: 1040 - Manufacturer Name: Keystone - Part Type: Connectors **Pins:** - TP [pin TP] ### LED1 — [KT-1206R](https://www.flux.ai/adrian95/kt-1206r~ru.md) - Datasheet URL: https://www.lcsc.com/datasheet/C49018.pdf - Manufacturer Part Number: KT-1206R - Manufacturer Name: Hubei KENTO Elec - Role: Power LED - LCSC Part Number: C49018 - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: LED **Pins:** - A [pin 2] - K [pin 1] ### MH1 — [Mounting Hole 3.2mm DIN965 Pad](https://www.flux.ai/adrian95/mounting-hole-32mm-din965-pad~aio.md) - Part Type: Connector - Role: Mounting Hole - Role Details: Top-left corner M3 mounting hole **Pins:** - Pin_1 ### MH2 — [Mounting Hole 3.2mm DIN965 Pad](https://www.flux.ai/adrian95/mounting-hole-32mm-din965-pad~aio.md) - Role Details: Top-right corner M3 mounting hole - Role: Mounting Hole - Part Type: Connector **Pins:** - Pin_1 ### MH3 — [Mounting Hole 3.2mm DIN965 Pad](https://www.flux.ai/adrian95/mounting-hole-32mm-din965-pad~aio.md) - Role: Mounting Hole - Role Details: Bottom-left corner M3 mounting hole - Part Type: Connector **Pins:** - Pin_1 ### MH4 — [Mounting Hole 3.2mm DIN965 Pad](https://www.flux.ai/adrian95/mounting-hole-32mm-din965-pad~aio.md) - Part Type: Connector - Role Details: Bottom-right corner M3 mounting hole - Role: Mounting Hole **Pins:** - Pin_1 ### OLED_3V3 — [1040](https://www.flux.ai/cherepanyadima/1040~lm.md) - Manufacturer Part Number: 1040 - Role: Connector - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf - Part Type: Connectors - Role Details: Large through-hole solder pad for wire attachment - Manufacturer Name: Keystone **Pins:** - TP [pin TP] ### OLED_GND — [1040](https://www.flux.ai/cherepanyadima/1040~lm.md) - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf - Manufacturer Part Number: 1040 - Role Details: Large through-hole solder pad for wire attachment - Role: Connector - Manufacturer Name: Keystone - Part Type: Connectors **Pins:** - TP [pin TP] ### P_3V3 — [1040](https://www.flux.ai/cherepanyadima/1040~lm.md) - Manufacturer Name: Keystone - Part Type: Connectors - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf - Role: Large Solder Pad - Manufacturer Part Number: 1040 **Pins:** - TP [pin TP] ### SW2 — [TS-1002-10026](https://www.flux.ai/jharwinbarrozo/ts-1002-10026~q6p.md) - Manufacturer Name: XUNPU - Datasheet URL: https://datasheet.lcsc.com/lcsc/2304140030_XUNPU-TS-1002-10026_C455101.pdf - Part Type: Switch - Role: Reset Button - Manufacturer Part Number: TS-1002-10026 **Pins:** - 4 [pin 4] - 3 [pin 3] - 1 [pin 1] - 2 [pin 2] ### SW3 — [TS-1002-10026](https://www.flux.ai/jharwinbarrozo/ts-1002-10026~q6p.md) - Manufacturer Part Number: TS-1002-10026 - Part Type: Switch - Datasheet URL: https://datasheet.lcsc.com/lcsc/2304140030_XUNPU-TS-1002-10026_C455101.pdf - Manufacturer Name: XUNPU - Role: Boot Button **Pins:** - 4 [pin 4] - 3 [pin 3] - 1 [pin 1] - 2 [pin 2] ### TFT_3V3 — [1040](https://www.flux.ai/cherepanyadima/1040~lm.md) - Manufacturer Name: Keystone - Part Type: Connectors - Role: Large Solder Pad - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf - Manufacturer Part Number: 1040 **Pins:** - TP [pin TP] ### TFT_GND — [1040](https://www.flux.ai/cherepanyadima/1040~lm.md) - Part Type: Connectors - Role: Large Solder Pad - Manufacturer Name: Keystone - Manufacturer Part Number: 1040 - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf **Pins:** - TP [pin TP] ### TP1 — [1040](https://www.flux.ai/cherepanyadima/1040~lm.md) - Manufacturer Name: Keystone - Part Type: Connectors - Role: Large Solder Pad - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf - Manufacturer Part Number: 1040 **Pins:** - TP [pin TP] ### U2 — [ESP32-WROOM-32](https://www.flux.ai/vasyl/esp32-wroom-32~siz.md) - Datasheet URL: https://www.espressif.com/sites/default/files/documentation/esp32-wroom-32_datasheet_en.pdf - Manufacturer Part Number: ESP32-WROOM-32 - Role: Main MCU - Role Details: ESP32-WROOM-32 centered; antenna edge keepout 15 mm, no copper/traces/components under antenna - Part Type: RF module - Manufacturer Name: Espressif Systems **Pins:** - EN [pin 3] - GND [pin 38] - GND [pin 39] - GND [pin 1] - GND [pin 15] - IO0 [pin 25] - IO12 [pin 14] - IO13 [pin 16] - IO14 [pin 13] - IO15 [pin 23] - IO16 [pin 27] - IO17 [pin 28] - IO18 [pin 30] - IO19 [pin 31] - IO2 [pin 24] - IO21 [pin 33] - IO22 [pin 36] - IO23 [pin 37] - IO25 [pin 10] - IO26 [pin 11] - IO27 [pin 12] - IO32 [pin 8] - IO33 [pin 9] - IO34 [pin 6] - IO35 [pin 7] - IO4 [pin 26] - IO5 [pin 29] - NC [pin 32] - RXD0/IO3 [pin 34] - SCK/CLK [pin 20] - SCS/CMD [pin 19] - SDI/SD1 [pin 22] - SDO/SD0 [pin 21] - SENSOR_VN [pin 5] - SENSOR_VP [pin 4] - SHD/SD2 [pin 17] - SWP/SD3 [pin 18] - TXD0/IO1 [pin 35] - VDD [pin 2] ### U3 — [TLV1117LV33DCYR](https://www.flux.ai/thea-flux-parts/tlv1117lv33dcyr~7t.md) - Role: 3.3V Regulator - Part Type: LDO - Datasheet URL: https://www.ti.com/lit/ds/symlink/tlv1117lv.pdf - Manufacturer Part Number: TLV1117LV33DCYR - Manufacturer Name: Texas Instruments - Role Details: 1A fixed 3.3V LDO sized for ESP32 WiFi peak load and external prototyping margin - License: https://www.kicad.org/libraries/license/ **Pins:** - GND [pin 1] - VIN [pin 3] - VOUT [pin 2] - VOUT [pin 4] ### UART_3V3 — [1040](https://www.flux.ai/cherepanyadima/1040~lm.md) - Part Type: Connectors - Manufacturer Name: Keystone - Manufacturer Part Number: 1040 - Role: Large Solder Pad - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf **Pins:** - TP [pin TP] ### UART_EN — [1040](https://www.flux.ai/cherepanyadima/1040~lm.md) - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf - Manufacturer Part Number: 1040 - Manufacturer Name: Keystone - Part Type: Connectors - Role: Large Solder Pad **Pins:** - TP [pin TP] ### UART_GND — [1040](https://www.flux.ai/cherepanyadima/1040~lm.md) - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf - Manufacturer Part Number: 1040 - Role: Large Solder Pad - Manufacturer Name: Keystone - Part Type: Connectors **Pins:** - TP [pin TP] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/wid1cw/universajiot~ai](https://www.flux.ai/wid1cw/universajiot~ai).* --- *Generated from [https://www.flux.ai/wid1cw/universajiot~ai](https://www.flux.ai/wid1cw/universajiot~ai)*