ATtiny814 NRF2USB

2 months ago 101
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Description

NRF2USB is a simple development tool for wireless applications based on the NRF24L01+ 2.4GHz transceiver module. It provides a serial interface for communication with the module via USB. The CH330N (or CH340N) USB to serial chip can also function as a PyUPDI programmer for the integrated ATtiny814 (or compatible), so that no external programming device is necessary. Since the ATtiny is operated with 3.3V, its clock frequency should not be higher than 10 MHz.

IMG_20210529_115355_x.jpgIMG_20210529_115414_x.jpg

Documents

NRF2USB

NRF2USB_v1.0

BOM

ID Name Designator Footprint Quantity BOM_Manufacturer Part BOM_Manufacturer BOM_Supplier BOM_Supplier Part
1 100n C1,C4,C5 0603 3 CC0603KRX7R9BB104 YAGEO LCSC C14663
2 10u C2 0603 1 CL10A106MA8NRNC SAMSUNG LCSC C96446
3 47u C3 1206 1 1206F476M160NT FH LCSC C30300
4 1u C6,C7 0603 2 CL10A105KB8NNNC SAMSUNG LCSC C15849
5 PWR LED1 LED_0603 1 19-217/GHC-YR1S2/3T EVERLIGHT LCSC C72043
6 PA7 LED2 LED_0603 1 KT-0603R KENTO LCSC C2286
7 4k7 R1 0603 1 0603WAF4701T5E UniOhm LCSC C23162
8 1k R2,R3,R5,R6 0603 4 0603WAF1001T5E UniOhm LCSC C21190
9 K3-2380S-E1 SW1 SW-SMD_K3-2380S-E1 1 K3-2380S-E1 Rectangular Connectors - Contacts LCSC C145837
10 ATTINY814-SSN U1 SOIC-14_150MIL 1 ATTINY814-SSNR Microchip Tech LCSC C182202
11 CH330N U2 SOP-8_150MIL 1 CH330N WCH LCSC C108996
12 AP2112K-3.3TRG1 U3 SOT-25-5 1 AP2112K-3.3TRG1 DIODES LCSC C51118
13 NRF24L01 U4 NRF24L01+SMD 1 mininrf24l01 Greatwall aliexpress ?
14 USB-Plug USB USB-M-48 1 USB-05 SOFNG LCSC C112454

Attachments

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