firefly2
candykingdom
Small blinkenlight boards that sync up using radios
Components (29)
| Reference | Value | Description |
|---|---|---|
| U1 | STM32G070KBTx | STMicroelectronics Arm Cortex-M0+ MCU, 128KB flash, 36KB RAM, 64 MHz, 2.0-3.6V, 29 GPIO, LQFP32 |
| U2 | RFM69HCW | |
| U3 | CH340X | USB serial converter, 5V-tolerant IO, UART, MSOP-10 |
| U4 | XL-0807RGBC-WS2812B | |
| U5 | AP2112K-3.3 | 600mA low dropout linear regulator, with enable pin, 3.8V-6V input voltage range, 3.3V fixed positive output, SOT-23-5 |
| U6 | HX 1210-C06 | |
| C1-C5,C8,C11,C13,C16,C18,C21-C23,C25,C28,C29 | 100nF | Unpolarized capacitor |
| C6,C9,C12,C14,C17,C20 | 10uF | |
| C7 | 0R | |
| C10,C15,C19,C26 | 47uF | |
| C24 | 47pF | |
| C27 | 220uF | Polarized capacitor, US symbol |
| D1,D4-D7 | ESD5Z5.0 | ESD Protection Diode, SOD-523 |
| D2 | RED | Light emitting diode |
| D3 | SRV05-4-P-T7 | 4-channel TVS diode with powerline protection, for USB |
| H3 | STRAIN_RELIEF | |
| J1 | 10118194-0001LF | |
| J3 | 2337019-1 | |
| J4 | Conn_01x02 | Generic connector, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/) |
| L1,L2 | 0 | |
| P2 | CONN_01X03 | |
| R1 | 4k7 | Resistor |
| R2,R4,R7,R8 | 1k | Resistor |
| R3 | 22k | Resistor |
| R5,R6 | 470 | Resistor |
| R9,R10,R13,R15 | 10k | |
| R11 | 15k | |
| R12,R14 | 5k1 | Resistor |
| SW1-SW3 | SW_Push | Push button switch, generic, two pins |