📄️ Introduction
📄️ Passives
Resistors 1% 0402
📄️ Transistors and MOSFETs
We used jellybean parts that are available from several manufacturers under the same part number. Choosing all one manufacturer saves a bit on parts and shipping, and simplifies sourcing.
📄️ Voltage Regulators
LDO voltage regulator 3.3volts 200mA+ 1% accuracy SOT-89
📄️ Analog
Op-amp rail to rail SOT-23-5
📄️ Chips
Microcontroller RP2040 QFN-56
📄️ Crystal
Crystal 12MHz 18pf - 20pF, SMD3225-4 (4 pin)
📄️ LEDs and Display
LCD 2.0" IPS LCD 240x320 ST7789V with SPI interface (QT200H1201)
📄️ Connectors
TF flash card Socket
📄️ Switches
SPST 4.2x3.2mm
📄️ Printed Circuit Board
PCB 4 layers 60x60mm