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2.Make all the connections.You will now complete all the necessary connections. The 4204 Relay Module will connect to the panel ECP bus (on-board terminals 4, 5, 6, and 7) using a 4-wire connection. The 4204 Relay Module will connect with both the Honeywell AD12612 Auxiliary Power Supp...
a 555 timer IC was used to disconnect a battery from the solar panel when its voltage gets too high (to prevent it from over charging). In my design, the control circuit connects the battery to an
一、LRL-102-100PCV高压干簧继电器(TOWARD)型号规格 型号:LRL-102-100PCV 触点结构1A接点(单刀单掷常开)。 线圈控制电压12VDC。 线圈功耗720mW。 触点功率50W。 触点额定电压7.5KVDC。 触点*大允许通电流2.0A。 触点允许浪涌电流3.0A。 外部尺寸70 *19*20mm(L*W*H)。
6. One 5v Relay ( radio shack ) 7. One Diode ( radio shack ) 8. One Male DB 25 connector ( radio shack) 9. Some Wire. 10. Tape, Electrical Tape and Plumbers Thread tape 11. PCB blank ( I used some scraps from other projects) ...