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-Medindo com multímetro no pino 2- GND pino-3 VCC não tem voltagem(5V) sem conectar placa in-incircuit.Não ficou claro exatamente onde não está presente o 5v.
- Sem consumo.Se não tem 5v no circuito ( externo ao gravador ), dependendo do consumo da placa não funciona.
-Alimentação USB desktopAinda mais se o gravador não tiver entrada para alimentação de 5v por fonte.
Esse aí parece ser alimentado pela USB do computador, se for Laptop a capacidade de corrente é ainda menor.
KrafT escreveu:Eu tenho o TL866II Plus e testei o ICSP com PIC e funcionou.
Caution: Latest TL866A/CS firmware can brick programmer
Post by cmorley » Sat Aug 18, 2018 10:01 am
A word of caution for anyone with a TL866A or TL866CS.
The Chinese manufacturer is complaining about counterfeit TL866 (*) on the market and bricked them with the latest firmware 6.82 IIRC. Some people's genuine TL866 have been bricked too & it may be bricked if you did the CS->A upgrade (to fit the ICSP programming header).
It is possible to unbrick them but you do need to solder a 100ohm resistor in order to force it into boot mode and allow an older firmware version e.g. 6.70 to reflash it.
The guy who did the patch radioman on the EEV blog forum has instructions and released a new version of his patcher which works with 6.82.
https://www.eevblog.com/forum/blog/eevb ... msg1704092
So get the new version before you upgrade your TL866 - unlike me who searched after bricking the TL866CS.
* yeah ironic isn't it... the Chinese complaining about counterfeiting!
The Chinese manufacturer is complaining about counterfeit TL866 (*)
...
* yeah ironic isn't it... the Chinese complaining about counterfeiting!
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