# Rugged Outdoor Field Display Unit 567e ## Description Compact rugged handheld outdoor field-data display/logger with ESP32-C3 WiFi/BLE, transparent PMOLED, BMP280, dual encoders, and protected 2S LiPo power. ## Project Details - **Owner:** just4everwa - **Created:** 5/18/2026 - **Last Updated:** 5/18/2026 - **Visibility:** Public - **Power Requirements:** 7.4 V nominal 2S LiPo battery via mini Tamiya connector; protected switched input; buck and boost daughter modules - **Operating Voltage:** 2S LiPo input 6.4-8.4 V; 5 V buck rail; 13.5 V boost rail; 3.3 V logic rail - **Implementation Details:** Compact <=60 x 40 mm rugged field display/logger with socketed modules/headers, conformal-coating-friendly layout, vibration-tolerant mounting - **Human Interface:** Transparent PMOLED display, dual KY-040 rotary encoders with push buttons, status LED, reset button - **Connectivity:** Wi-Fi 802.11 b/g/n and BLE 5.0 via ESP32-C3 SuperMini - **Domain:** Consumer / Hobbyist Outdoor Electronics - **Operating Temperature:** -20 C to +50 C ## Key Components ### J1 — [FFC2B28-12-G](https://www.flux.ai/jecstronic/ffc2b28-12-g~h4.md) - Manufacturer Name: GCT - Role Details: Board-edge 12-pin 0.5mm FPC for SH1107 transparent PMOLED; pins mapped to panel datasheet. - Role: Display Connector - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: FFC2B28-12-G - Datasheet URL: https://gct.co/files/specs/0.5mm-ffc-spec.pdf - Part Type: Connector **Pins:** - 1 [pin 1] - 10 [pin 10] - 11 [pin 11] - 12 [pin 12] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] - 5 [pin 5] - 6 [pin 6] - 7 [pin 7] - 8 [pin 8] - 9 [pin 9] - MP1 [pin MP1] - MP2 [pin MP2] ### J2 — [SSW-108-02-T-S](https://www.flux.ai/adrian95/ssw-108-02-t-s~0zp.md) - Role: Socket Header - Manufacturer Part Number: SSW-108-XX-X-S - Manufacturer Name: Samtec - Part Type: Connector - Role Details: One side of the 2x8 female 2.54mm socket for the ESP32-C3 SuperMini module. - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://mm.digikey.com/Volume0/opasdata/d220001/medias/docus/6129/ssw-1xx-xx-xxx-x-xx-xxx-xx-mkt.pdf **Pins:** - 01 [pin 01] - 02 [pin 02] - 03 [pin 03] - 04 [pin 04] - 05 [pin 05] - 06 [pin 06] - 07 [pin 07] - 08 [pin 08] ### J3 — [SSW-108-02-T-S](https://www.flux.ai/adrian95/ssw-108-02-t-s~0zp.md) - Role Details: Second side of the 2x8 female 2.54mm socket for the ESP32-C3 SuperMini module. - Manufacturer Part Number: SSW-108-XX-X-S - Role: Socket Header - Manufacturer Name: Samtec - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://mm.digikey.com/Volume0/opasdata/d220001/medias/docus/6129/ssw-1xx-xx-xxx-x-xx-xxx-xx-mkt.pdf **Pins:** - 01 [pin 01] - 02 [pin 02] - 03 [pin 03] - 04 [pin 04] - 05 [pin 05] - 06 [pin 06] - 07 [pin 07] - 08 [pin 08] ### J4 — [87224-5](https://www.flux.ai/adrian95/87224-5~c5b.md) - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.arrow.com/en/products/87224-5/te-connectivity - Role: Encoder Header - Manufacturer Name: TE Connectivity - Part Type: Connector - Role Details: 5-pin through-hole header for KY-040 encoder A/B/SW/+ /GND signals. - Manufacturer Part Number: 87224-5 - Package or Case Code: HDRV5W66P0X254_1X5_1229X254X1074P **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] - 5 [pin 5] ### J5 — [87224-5](https://www.flux.ai/adrian95/87224-5~c5b.md) - License: https://creativecommons.org/licenses/by/4.0/ - Package or Case Code: HDRV5W66P0X254_1X5_1229X254X1074P - Manufacturer Part Number: 87224-5 - Part Type: Connector - Role: Encoder Header - Manufacturer Name: TE Connectivity - Datasheet URL: https://www.arrow.com/en/products/87224-5/te-connectivity - Role Details: 5-pin through-hole header for second KY-040 encoder A/B/SW/+ /GND signals. **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] - 5 [pin 5] ### J6 — [S2B-PH-K-S(LF)(SN)](https://www.flux.ai/lcsc/s2b-ph-k-slfsn~vk6f.md) - Role Details: Electrical placeholder for mini Tamiya 2S LiPo input; replace footprint with exact mini Tamiya connector when available. - Part Type: Wire To Board / Wire To Wire Connector - Product Info Url: https://lcsc.com/product-detail/PH-Connectors_JST-Sales-America_S2B-PH-K-S-LF-SN_JST-Sales-America-S2B-PH-K-S-LF-SN_C173752.html - JLCPCB Part Class: Extended Part - LCSC Part Number: C173752 - Package or Case Code: CONN-TH_S2B-PH-K-S-LF-SN - Manufacturer Name: JST - Manufacturer Part Number: S2B-PH-K-S(LF)(SN) - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_JST-S2B-PH-K-S-LF-SN_C173752.pdf - Role: Battery Input Connector **Pins:** - 1 [pin 1] - 2 [pin 2] ### LED1 — [150080RS75000](https://www.flux.ai/adrian95/150080rs75000~5t0.md) - Role Details: GPIO-driven status/power LED with series current-limiting resistor. - Datasheet URL: https://www.we-online.com/components/products/datasheet/150080RS75000.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Role: Status Indicator - Part Type: LED - Manufacturer Part Number: 150080RS75000 - Manufacturer Name: Würth Elektronik **Pins:** - A [pin 2] - K [pin 1] ### Q1 — [DMP3013SFV](https://www.flux.ai/kicad-part-library/dmp3013sfv~5bo.md) - Package or Case Code: Diodes_PowerDI3333-8 - Manufacturer Part Number: DMP3013SFV - Datasheet URL: https://www.diodes.com/assets/Datasheets/DMP3013SFV.pdf - Role Details: Low-RDS(on) P-channel MOSFET used as ideal-diode style reverse-polarity protection on battery input. - Role: Reverse Polarity Protection **Pins:** - D [pin 5] - G [pin 4] - S [pin 1] - S [pin 3] - S [pin 2] ### SW1 — [1825255-1](https://www.flux.ai/adrian95/1825255-1~kyy.md) - Manufacturer Part Number: 1825255-1 - License: https://creativecommons.org/licenses/by/4.0/ - Role: Power Switch - Role Details: Board-mounted slide switch in protected battery path to turn the unit on and off. - Datasheet URL: https://www.verical.com/datasheet/te-connectivity-slide-1825255-1-167899.pdf - Manufacturer Name: TE Connectivity ALCOSWITCH Switches - Part Type: Switch **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - MH1 [pin MH1] - MH2 [pin MH2] ### SW2 — [3-1825910-5](https://www.flux.ai/vasy_skral/3-1825910-5~1i0.md) - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: 3-1825910-5 - Manufacturer Name: TE Connectivity ALCOSWITCH Switches - Role Details: Momentary reset button pulling ESP32-C3 EN low. - Role: Reset Button - Part Type: Switch - Datasheet URL: https://www.te.com/commerce/DocumentDelivery/DDEController?Action=srchrtrv&DocNm=1825910&DocType=Customer+Drawing&DocLang=English **Pins:** - 1-1 [pin 1-1] - 1-2 [pin 1-2] - 2-1 [pin 2-1] - 2-2 [pin 2-2] ### U1 — [ESP32-C3 SuperMini](https://www.flux.ai/jecstronic/esp32-c3-supermini~pzl.md) - Part Type: Module - Manufacturer Part Number: ESP32-C3_SUPERMINI - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Texas Instruments Inc. - Datasheet URL: https://www.espressif.com/sites/default/files/documentation/esp32-c3-mini-1_datasheet_en.pdf - Role: MCU / Wireless Module - Role Details: Preassembled ESP32-C3 SuperMini module socketed via two 1x8 female headers; provides Wi-Fi/BLE and native firmware runtime. **Pins:** - 3V3 [pin 3.3] - 5V [pin 5V] - GND [pin G] - GPIO0 [pin 0] - GPIO1 [pin 1] - GPIO10 [pin 10] - GPIO2 [pin 2] - GPIO20 [pin 20] - GPIO21 [pin 21] - GPIO3 [pin 3] - GPIO4 [pin 4] - GPIO5 [pin 5] - GPIO6 [pin 6] - GPIO7 [pin 7] - GPIO8 [pin 8] - GPIO9 [pin 9] ### U2 — [BMP280 - 4262060](https://www.flux.ai/kicad-part-library/bmp280-4262060~3g.md) - Role Details: BMP280 I2C pressure/temperature sensor, powered from 3.3V with address selected by SDO. - Package or Case Code: Bosch_LGA-8_2x2.5mm_P0.65mm_ClockwisePinNumbering - Role: Sensor - Datasheet URL: https://ae-bst.resource.bosch.com/media/_tech/media/datasheets/BST-BMP280-DS001.pdf - Manufacturer Part Number: BMP280 **Pins:** - CSB [pin 2] - GND [pin 7] - GND [pin 1] - SCK [pin 4] - SDI [pin 3] - SDO [pin 5] - VDD [pin 8] - VDDIO [pin 6] ### U4 — [MP1584EN Module](https://www.flux.ai/adrian95/mp1584en-module~x1a.md) - License: https://creativecommons.org/licenses/by/4.0/ - Role: Power Conversion - Role Details: MP1584EN buck module mounted on 2.54mm headers; trim to 5V before inserting ESP32-C3 module. - Part Type: Module **Pins:** - INPUT- [pin 8] - INPUT- [pin 7] - INPUT+ [pin 5] - INPUT+ [pin 6] - OUTPUT- [pin 4] - OUTPUT- [pin 3] - OUTPUT+ [pin 2] - OUTPUT+ [pin 1] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/just4everwa/rugged-outdoor-field-display-unit-567e~5r](https://www.flux.ai/just4everwa/rugged-outdoor-field-display-unit-567e~5r).* --- *Generated from [https://www.flux.ai/just4everwa/rugged-outdoor-field-display-unit-567e~5r](https://www.flux.ai/just4everwa/rugged-outdoor-field-display-unit-567e~5r)*