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57 lines
1.3 KiB
57 lines
1.3 KiB
Arduino
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VCC -> 3.3V (Breadboard)
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GND -> Ground (Breadboard)
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2 -> UART_TX (RN-52)
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3 -> UART_RX (RN-52)
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4 -> GPIO2 (RN-52)
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5 -> GPIO9 (RN-52)
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6 -> Hook Cable
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7 -> Rotary Start Position Cable
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8 -> Rotary Dial Cable
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9 -> SDL (AMP)
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RN-52
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3.3v -> 3.3V (Breadboard)
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PWR_EN -> 3.3V (Breadboard)
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GND -> Ground (Breadboard)
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UART_TX -> 2 (Arduino)
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UART_RX -> 3 (Arduino)
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GPIO2 -> 4 (Arduino)
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GPIO7 -> Ground (Breadboard)
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GPIO9 -> 5 (Arduino)
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SPK_L+ -> Speaker + (Handset)
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SPK_L- -> Speaker - (Handset)
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SPK_R+ -> L+ (AMP)
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SPK_R- -> L- (AMP)
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MIC_L+ -> MIC_L+ (Breadboard)
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AMP
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VDD -> 3.3V (Breadboard)
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GND -> Ground (Breadboard)
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L- -> SPK_R- (RN-52)
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L+ -> SPK_R+ (RN-52)
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SDL -> 9 (Arduino)
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Left - -> Speaker -
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Left + -> Speaker +
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Handset
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Speaker + -> SPK_L+ (RN-52)
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Speaker - -> SPK_L- (RN-52)
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Mic + -> Mic + (Breadboard)
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Mic - -> Ground (Breadboard)
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Breadboard (Mic Hookup)
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3.3V -> 10k Resistor = Mic +
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Mic + -> Mic + (Handset)
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Mic + -> 10uF Cap = Mic +2
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Mic +2 -> MIC_L+ (RN-52)
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Ground -> Mic - (Handset) You can put a 10k resistor between ground and Mic -. That's how I'm doing it, but if you don't have another 10k resistor to spare it works without.
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PowerCell 3.3V
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VCC -> 3.3V (Breadboard)
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GND -> Ground (Breadboard)
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EN -> Power Switch
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Power Switch
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C1 -> EN (PowerCell)
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C2 -> Ground (Breadboard)
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