Z-Uno Project →

Unveil your imagination to create:

  • battery powered in-wall remote switch
  • rotary dimmer control
  • temperature/soil humidity/luminosity/voltage/distance or any other sensors as well as dry contact sensor or tick counter
  • low voltage switch
  • IR blaster
  • LED driver
  • motor driver
  • battery powered keypad
  • converter from any protocol to Z-Wave (using SPI/UART/I2C/1-wire bus)
  • ... or any other device you dreamed about

Make your own Z-Wave device:

  • control any Arduino compatible peripherals
  • define your own logic by modifying your sketch
  • use Arduino IDE and language to write and upload sketches
  • easy to use
  • requires no knowledge of Z-Wave protocol
  • complete DIY solution

Hardware specification:

  • 28 kB Flash memory for your sketches
  • 174 kB Flash memory for your sketches
  • 2 kB RAM available
  • 16 kB RAM available
  • Z-Wave RF transmitter at 9.6/40/100 kbps
  • Long Range
  • 26 GPIO (overlaps with special hardware controllers)
  • 4 ADC
  • 5 PWM
  • 4 PWM
  • 2 UART
  • 1 USB (serial port)
  • 16 kB EEPROM
  • 3 kB pseudo EEPROM
  • 1 SPI (master or slave)
  • 4 IR controllers, 1 IR learn capability
  • 1 TRIAC/ZEROX to control dimmer
  • 3 Interrupts
  • 6 Interrupts
  • 1 Timer 4 MHz
  • 3 Timers
  • I2C (software)
  • 1-Wire (software)
  • 8x6 Keypad Scanner (software)
  • 2 service LED, 1 service button
  • 1 user test LED

Power modes:

  • USB 5 V, external 5 or 3 V, external 7-18 V or battery (via MU-2F connector, included)
  • USB 5 V, external 5 or 3 V, external 7-18 V or battery
  • always on, sleeping or FLiRS (Frequently Listening)

Z-Wave supported features:

  • Z-Wave Plus compliant
  • all Z-Wave frequencies (check availability)
  • out of the box support of AES 128 bit Security (S0 and S2)
  • 2 × Hardware Cryptographic Acceleration for AES 128/256, SHA-1, SHA-2 (SHA-224 and SHA-256) and ECC
  • upgrade via USB or radio (Z-Wave OTA)
  • Multichannel (32 channels)
  • 5 Association groups
  • controls switches, dimmers, door locks and scenes
  • works with gateways and/or directly with other Z-Wave devices

Channel types:

  • Binary Switch
  • Multilevel Switch
  • Color Switch
  • Binary Sensor
  • Multilevel Sensor
  • Meter
  • Door Lock
  • Water Valve
  • Siren
  • Thermostat
  • Flow Stop
  • Switch Color
  • Blinds

Dimensions:

  • L×W×H: 39×20×16 mm (PCB dimentions with all components)
  • L×W×H: 39×20×7 mm (PCB dimentions with PLS and battery connectors removed)
  • L×W×H: 39×20×14 mm (PCB dimentions with all components)
  • L×W×H: 39×20×6 mm (PCB dimentions with PLS removed)
  • Antenna lenght: 86 mm (89 mm with isolation), can be bent to better fit your dimensions
  • Antenna lenght: 115 mm (118 mm with isolation), can be bent to better fit your dimensions
  • Weigth: 7 g

Antenna:

  • Antenna type: wire antenna 86 mm for 865-870 MhZ
  • Antenna type: wire antenna 115 mm for 865-925 MhZ
  • Alternative antenna: optional u.fl connector can be soldered (to RF2 pads)

Electrical characteristics:

  • Digital pin in logical 1: > 2.1 V, leakage current 10 μA
  • Digital pin in logical 0: < 0.9 V, leakage current 10 μA or 40–120 μA (with internal pull-up enabled)
  • All GPIO pins except PB14 and PB15, Input leakage current 30nA max
  • Internal pullup resistor: 15–20 kΩ (at +25°C)
  • Internal pullup resistor: 65 kΩ max (at +25°C)
  • Digital pin out logical 1: > 2.4 V, max current sourcing 8 mA (16 mA for digital pins 3-6)
  • Digital pin out logical 1: > 2.4 V, max current sourcing 50 mA
  • Digital pin out logical 0: < 0.4 V, max current sinking 8 mA (16 mA for digital pins 3-6)
  • Digital pin out logical 0: < 0.4 V, max current sinking 50 mA
  • Total max current sourcing from GPIO pins: 120 mA
  • Total max current sourcing from GPIO pins: 200 mA
  • Power consumption on 3.3 V:
    • in always listening mode 50 mA
    • in always listening mode 7 mA
    • in sleep mode 1 mA (about 7 μA if DC-DC is turned off by unsoldering R12)
    • in sleep mode EM4 9 μA (about 1 μA if DC-DC is turned off by unsoldering R12)
    • in FLiRS mode 1 mA (about 70 μA if DC-DC is turned off by unsoldering R12)
  • Power consumption on 5 V: in always listening mode ∼ 30 mA (can be lowered by using external switching DC-DC)
  • Power consumption on 5 V: in always listening mode ∼ 13 mA (can be lowered by using external switching DC-DC)
  • Power consumption on 7–18 V: in always listening mode ∼ 35 mA (can be lowered by using external switching DC-DC)
  • Power consumption on 7–18 V: in always listening mode ∼ 10 mA (can be lowered by using external switching DC-DC)
  • DC-DC installed:
    • 7–18 V → 5 V: NCP1117ST50T3G, max current sourcing from 5V pin 400 mA
    • 5 V → 3 V: MCP1700, max current sourcing from 3V pin 150 mA

See Z-Uno power supply schematics for more info.

Pinout

    • Click to enlarge

    CAD libraries

    Download Fritzing, Eagle1 and KiCAD2 part files.

    1 — community contribution by user schmidmi. 2 — community contribution by user droll.

    Deeper insight

    Know more about Z-Uno internals.