VW Posted September 18, 2020 Share Posted September 18, 2020 This thread makes me want to take apart my 30 in 1 cartridge. Quote Link to comment Share on other sites More sharing options...
pcrock Posted September 18, 2020 Author Share Posted September 18, 2020 2 minutes ago, VW said: This thread makes me want to take apart my 30 in 1 cartridge. Would be very interesting! I would like to see! Quote Link to comment Share on other sites More sharing options...
pcrock Posted September 18, 2020 Author Share Posted September 18, 2020 I Found another one. It is a 4 in 1 The most interesting thing is that in this circuit, the switches are not SPDT devices as in the in MOST OF THEM! Here the switches are simple on/off ones. 2 Quote Link to comment Share on other sites More sharing options...
pcrock Posted September 18, 2020 Author Share Posted September 18, 2020 21 hours ago, VW said: This thread makes me want to take apart my 30 in 1 cartridge. How do you choose the game on this cartridge? Quote Link to comment Share on other sites More sharing options...
Danjovic Posted September 19, 2020 Share Posted September 19, 2020 (edited) On 9/17/2020 at 10:51 PM, pcrock said: I Found another one. It is a 4 in 1 The most interesting thing is that in this circuit, the switches are not SPDT devices as in the in MOST OF THEM! Here the switches are simple on/off ones. The pins are pulled up by resistors and the switches can push the lines down (when closed). The remaining components are a transistor inverter with speed up circuit at base. Edited September 19, 2020 by Danjovic Better drawings 2 Quote Link to comment Share on other sites More sharing options...
pcrock Posted September 20, 2020 Author Share Posted September 20, 2020 23 hours ago, Danjovic said: The pins are pulled up by resistors and the switches can push the lines down (when closed). The remaining components are a transistor inverter with speed up circuit at base. Woww!!! Very very thanks for the Schematics!!! I really wanted it!!! The engeneer loved 8k2 resistors values!! Ahahahhahahah Quote Link to comment Share on other sites More sharing options...
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