1. Zack and A.C.
Sensor Report

2. AM-RTD-315 Transceiver Module
Amplitude Modulation
50 Ω whip antenna
Antenna length = λ/4
Half- duplex
10kbps raw data

3. Serial Communication USART1 Rx interrupt Baud rate Parity bit
void USART1_TX(unsigned char DATA_TX) {
PORTC = (PORTC & 0xFE);
while( !(UCSR1A & (1<<UDRE))) ;
UDR1 = DATA_TX;
PORTC = (PORTC | 0x01); }
USART1
Rx interrupt
Baud rate
Parity bit
8 data, 1 start and stop bit
Rx enable

4. Encoding
Manchester
less susceptible to noise
halves data rate

5. Transceivers, modems, encoders
Source for Parts
Abacom Technologies
Transceivers, modems, encoders