# Flat Bronze Robot Maid ## Description i want to build a pcb for an electrical energy datalogger , this datalogger is composed by : an esp32 as a main microcontroller, two ATM90 As an ic circuits for energy calculation , 6 input for a ct clamp sensor every 3 is connected by an ic , an input for power and at the same time as a voltage sensing , a regulator to get down the voltage drom 220 to 5v ## Project Details - **Owner:** houcin1 - **Created:** 6/21/2025 - **Last Updated:** 6/21/2025 - **Visibility:** Public ## Key Components ### U1 — [ESP32-WROOM-32D](https://www.flux.ai/vasyl/esp32-wroom-32d~7py.md) - Manufacturer Part Number: ESP32-WROOM-32D - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Microcontroller - Manufacturer Name: Espressif Systems - Datasheet URL: https://www.espressif.com/sites/default/files/documentation/esp32-wroom-32d_esp32-wroom-32u_datasheet_en.pdf **Pins:** - 3.3V [pin 2] - AGND [pin 39] - CLK [pin 20] - CMD [pin 19] - EN [pin 3] - GND [pin 38] - GND [pin 15] - GND [pin 1] - 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 [pin 34] - SD0 [pin 21] - SD1 [pin 22] - SD2 [pin 17] - SD3 [pin 18] - TXD0 [pin 35] - VN [pin 5] - VP [pin 4] ### U2 — [ATM90E36A-AU-Y](https://www.flux.ai/jecstronic/atm90e36a-au-y~dxl.md) - Datasheet URL: https://ww1.microchip.com/downloads/en/DeviceDoc/Atmel-46004-SE-M90E36A-Datasheet.pdf - Manufacturer Name: Microchip Technology - Part Type: Integrated Circuit - Manufacturer Part Number: ATM90E36A-AU-Y - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - ~CS [pin 37] - ~RESET [pin 41] - AGND_1 [pin 2] - AGND_2 [pin 12] - AVDD [pin 1] - CF1 [pin 25] - CF2 [pin 26] - CF3 [pin 27] - CF4 [pin 28] - DGND_1 [pin 19] - DGND_2 [pin 44] - DGND_3 [pin 47] - DMA_CTRL [pin 36] - DVDD [pin 48] - I1N [pin 4] - I1P [pin 3] - I2N [pin 6] - I2P [pin 5] - I3N [pin 8] - I3P [pin 7] - I4N [pin 10] - I4P [pin 9] - IRQ0 [pin 30] - IRQ1 [pin 31] - NC_1 [pin 35] - NC_2 [pin 45] - NC_3 [pin 46] - OSCI [pin 20] - OSCO [pin 21] - PM0 [pin 33] - PM1 [pin 34] - SCLK [pin 38] - SDI [pin 40] - SDO [pin 39] - TEST [pin 32] - V1N [pin 14] - V1P [pin 13] - V2N [pin 16] - V2P [pin 15] - V3N [pin 18] - V3P [pin 17] - VDD18_1 [pin 42] - VDD18_2 [pin 43] - VREF [pin 11] - WARNOUT [pin 29] - ZX0 [pin 22] - ZX1 [pin 23] - ZX2 [pin 24] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/houcin1/flat-bronze-robot-maid~hq](https://www.flux.ai/houcin1/flat-bronze-robot-maid~hq).* --- *Generated from [https://www.flux.ai/houcin1/flat-bronze-robot-maid~hq](https://www.flux.ai/houcin1/flat-bronze-robot-maid~hq)*