U1 RaspberryPi_Pico Versatile and inexpensive microcontroller module powered by RP2040 dual-core Arm Cortex-M0+ processor up to 133 MHz, 264kB SRAM, 2MB QSPI flash; also supports Raspberry Pi Pico 2 U2 MCP6002-xMC 1MHz, Low-Power Op Amp, DFN-8 U3 MCP73831-2-OT Single cell, Li-Ion/Li-Po charge management controller, 4.20V, Tri-State Status Output, in SOT23-5 package U4 74HC4051 8-channel analog multiplexer/demultiplexer, DIP-16/SOIC-16/TSSOP-16 Battery1 Conn_01x02_Pin Generic connector, single row, 01x02, script generated C1-C3 100n Unpolarized capacitor Cf2 1n Unpolarized capacitor Cf3 330p Unpolarized capacitor Cf4 33p Unpolarized capacitor Cf5 4.7p Unpolarized capacitor D1 BPW34 Silicon PIN Photodiode D2,D4 SS14 40V 1A Schottky Diode, SMA D3 LED Light emitting diode OLED_Screen1 Conn_01x04_Pin Generic connector, single row, 01x04, script generated R1 56k Resistor R2 1.8k Resistor R4,R10 2k Resistor R5 1k Resistor R6,Re1 4.7k Resistor R7 10k Resistor R8 100k Resistor R9 1M Resistor 
