Engineering Development

E1115F PS/2 Keyboard to ASCII Converter
The E1115F PS/2 to ASCII Converter decodes the complex PS/2 keyboard protocol into a single ASCII byte on the make of a keystroke. This easy to use module offers 57.6K and 115.2K baud rates, and Ctrl-Alt-Del and Escape key reset outputs. Most non-ASCII keys are decoded as well into unique single byte codes.  US$16.99

E1832 E1833 Alphanumeric LCD Display Switch Interface
The E1832 E1833 Alphanumeric LCD Display Switch Interface uses only 3 microcontroller pins to write bytes to a standard character LCD and 2 pins to read two tactile switches such as for Select and Enter functions, making it a simple user interface for small microcontrollers where few port pins are available.  US$7.99

E1910 DDS Signal Generator
The E1910 Direct Digital Synthesis Signal Generator is a 1ppm accurate sine wave generator with output from 0.1Hz to 5MHz. A unique pair of step and sweep controls allows a desired frequency to be quickly set.

E1947 3 Pin C2 Programming Adapter
The E1947 3 Pin C2 Programming Adapter converts between the Silicon Labs 10 pin IDC connector used for programming microcontrollers to a smaller 3 pin connector.  US$8.99

E2072 C8051F300 Microcontroller Breakout Board
The E2072 Silicon Labs™ C8051F300 Microcontroller Breakout Board uses a low cost, high performance mixed signal 8051 architecture microcontroller on a simple to use board with pins on 0.1” grid. A low dropout voltage regulator, test LED, and C2 program interface are included. Memory includes 256 bytes RAM and 8KB of Flash program memory. Onboard peripherals include 24.5MHz oscillator, three 16 bit timers, PCA, UART, and 8 bit ADC with analog mux. All 8 port I/O pins are available. This development board is ideal for small mixed signal projects.  $US9.99

E2090 64 Bit Hexadecimal/20 Digit Calculator
The E2090 64 Bit Hexadecimal/20 Digit Calculator provides arithmetic, logic, shift, bit & nibble edit, operand save, and operand move functions.  Either input values can be edited while simultaneously updating the result on a large 4×20 LCD.

E2191 Serial to IRDA Transceiver
The E2190 IRDA to Serial Transceiver is a bi-directional interface between optical IRDA and TTL serial signals.  US$16.99

E2210 Telephone Line Interface DAA
The E2210 Telephone DAA is a development purposes only reference design for a full duplex telephone interface with ring detect and off hook relay suitable for microcontroller interface. LEDs are provided for ring detect and hook status. Protection diodes and a RJ-11 telephone jack are also included.  US$24.99

E2332 C8051F805 Microcontroller Breakout Board
The E2332 Silicon Labs™ C8051F805 Microcontroller Breakout Board uses a low cost, 24MIPs high speed 8051 architecture, mixed signal microcontroller on a simple to use board including voltage regulators, test LED, and a 3 pin C2 program interface. All port I/O pins are available and a connector is provided for the Locus Engineering E1832 Display Switch Interface with options for 5V or 3.3V operation. This development board is ideal for mixed signal projects as it includes analog multiplexer, ADC, and reference voltages.  US$11.99

E2420 Decoded 64 Key Keyboard
The E2420 Decoded 64 Key Keyboard provides a debounced 8 bit code (0x00-0x3F) on the make of each key closure.  Outputs are serial data with selectable baud rates (9.6K, 19.2K, 57.6K, 115.2K), a clocked data port similar to PS/2, and a trigger signal.  Operates from +3.3V to +5.5V supply.  US$24.99

E2421 Serial Hex Keyboard
The E2421 Serial Hex Keyboard allows hex entry into a serial byte which is sent on the closure of the <Enter> switch.  Sixteen baud rates are available from 1.2K to 921.6K.  Operates from +3.3V to +5.5V supply.  US$15.99

E2422 Decoded 24 Key Keyboard
The E2422 Decoded 24 Key Keyboard provides a debounced 8 bit code (0x00-0x17) on the make of each key closure.  Outputs are a clocked data port similar to PS/2, and a trigger signal.  Operates from +3.3V to +6.0V supply.  US$15.99

E2423 Decoded 24 Key Keyboard
The E2423 Decoded 24 Key Keyboard provides a debounced 8 bit code (0x00-0x17) on the make of each key closure.  Outputs are a 57.6 Kbaud serial port, and a trigger signal. Operates from +3.3V to +6.0V supply.  US$15.99

E2424 64 Key Encoder
The E2424 64 Key Encoder is a 28 pin DIP module which debounces and encodes up to 64 keys (0x00-0x3F) on the make of any key with no other external parts.  Outputs are a 57.6K baud serial port, a 6 bit parallel port, and an interrupt signal.  Operates from +2.7V to +5.2V supply.  US$11.99

E2510 High Side Switch
The E2510 High Side Switch allows loads up to 30 Amps and 30 Volts to be turned on or off using a small remote switch or optocoupler.  US$13.99

E2690 EFM8BB31F64G Microcontroller Breakout Board
The E2690 Silicon Labs™ EFM8BB31F64G Microcontroller Breakout Board uses a low cost, high performance mixed signal 8051 architecture EFM8BB31F64G microcontroller on a simple to use board including voltage regulator, test LED, and C2 program interface. All port I/O pins are available and a connector is provided for the Locus Engineering E1832 Display Switch Interface. An optional external oscillator is available for more accurate timing requirements. This development board is ideal for mixed signal projects as it includes analog multiplexer, ADC, DACs, and reference voltages.  US$14.99

E2980 Power Distribution Board
The E2980 Power Distribution Board eases the problem of connecting adapters to prototype circuits, and also provides the most common options for powering analog circuits with a split supply as well as providing for logic or other requirements. Included are a rail splitter with +/- voltage outputs, a USB derived 5V, and a selectable output voltage regulator providing commonly used 3.3V, 5.0V, and adjustable voltage options between 1.2V to 28V. The rail splitter generates an artificial ground halfway between the DC input voltage. The outputs can be interconnected to obtain different grounding or voltages.  US$19.99

E3013 Serial Byte Monitor
The E3013 Serial Byte Monitor is a standalone module ideal for verifying serial data at common baud rates. Data is displayed as two large 0.56″ high hexadecimal numbers. This display is useful for single stepping serial data without a PC. There are 16 baud rates between 1.2K to 921.6K organized into four baud groups of four specific baud rates. On power up the baud group is set, and following this the specific baud rate can set using the switch settings. Power input is +3.3V to +5.5V and the outputs are TTL or 3.3V logic compatible.  US$14.99