Debugtools

Precautions:
1. The digital board V1.0 integrates J-Link OB, and V2.0 integrates J-Link V9. Neither will lose firmware, but J-Link OB is slower. J-Link V9 cannot currently be programmed on the Nordic platform. Other platforms still need to be tested. It is supported by mainstream microcontroller platforms.
2. When the power supply is set to output below 5V, the maximum current should be kept below 1.5A for a long time, and can reach 1.9A instantaneously. When switched to 5V, it is a direct USB output, and the current limit is the output power limit.

Key Material Procurement Guide
3.0mm BTB Connector:
【Taobao】https://m.tb.cn/h.54ewsyw?tk=2MkvdBiujf6 CZ0001 "Single slot 0.5mm pitch male and female gold plated, height 3.0/5.0mm board to board BTB connector PCB socket"
Click the link to open directly or search on Taobao to open directly
2.0mm banana socket
【Taobao】https://m.tb.cn/h.5f0StZA?tk=HCg3dBiC1Pc CZ3457 "2mm banana socket pure copper gold plated K2A33 jack 2mm test hole circuit experimental teaching instrument circuit board"
Click the link to open directly or search on Taobao to open directly
e2p
【Taobao】https://m.tb.cn/h.5f07MGF?tk=PQxddBiCLaA CZ3457 "Original Huaguan AT24C02M5/TR Silkscreen 2CMU20 Package SOT-23-5 Surface Mount Chip"
Click the link to open directly or search on Taobao to open
the dial
[Taobao] https://m.tb.cn/h.5f07cei?tk=LPPFdBixPYZ CZ0001 "MITSUMI SIQ-02FVS3 Rotary Encoder with Slider 15 Positioning"
Click the link to open directly or search on Taobao to open
the screen
[Taobao] https://m.tb.cn/h.5PHgvFp?tk=YBMbW4mMAoa CZ3457 "1.14-inch LCD Screen IPS High-Definition Display 135240 Resolution ST7789 Serial Port Screen"
Click the link to open directly or search on Taobao to open directly.

The hardware and program haven't been optimized in time, so there may be some mess and bugs. Please modify it yourself; please don't criticize! Thank you!
If you have any questions, please join the group to find solutions. QQ: 865851787
**The program is too large to upload; please download the attachment from the group!**
All J-Link firmware comes from open-source developers!