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Amphibionics 07 3/24/03 9:13 AM Page 284
FIGURE 7.12
Schematic of
Turtletrons main Amphibionics
controller board.
TABLE 7.2 Part Quantity Description
List of Parts Needed for
Semiconductors
Turtletron’s Electronics
U1 1 78L05 5V regulator
U2 1 PIC 16F84 flash microcontroller mounted
in socket
U3 1 L298 dual full-bridge driver
RX1 1 Lynx RXM-433-LC-S RF receiver module
D1 1 Red light-emitting diode
D2–D9 8 Diodes 1N4001
D10 1 Green light-emitting diode
Q1 1 2N3904 NPN transistor
Resistors
R1, R2 2 470 1/4-watt resistor
R3 1 10 K 1/4-watt resistor
R4 1 4.7 K 1/4-watt resistor
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