Inspired by:
This project build using Raspberry Pi ZERO 2 W using the 2.13inch e-paper HAT module.
- 2.13inch Touch e-Paper HAT
- Raspberry Pi Zero 2 W
- ABS Case
- Get yourself a nice USB speaker
- USB SD card reader
- Display title, artist, album
- Display volume, + / - volume
- Next song, previous song
- icons
- mute / unmute
- Shutdown
- Playlist
- Weather page
- Album image
- Warp line
- volumio <-- Download and install volumio 3
- BalenaEtcher <-- You can brun volumio image using BalenaEtcher via USB SD card reader (Do not use Raspberry Pi Imager)
- Connect via WIFI (volumio-XXXX), wifi password = volumio2
- Run volumio setup wizard.
If you not able to boot volumio 3 on Raspberry pi ZERO 2 W, Try this ... (click to expend on left triangle)
- Change new SD-card (could be faulty SD-card)
- Setup your SD-card on raspberry pi 3/4, (basic setup + wifi) then move the SD-card to your Raspberry pi ZERO
enable SSH using http://volumio0.local/dev/
SSH to volumio.local (password = volumio)
ssh volumio@volumio.localTo turn on SPI i/o
sudo nano /boot/config.txtThen add to last line
dtparam=i2c=on,spi=onInstall python3 and packages
sudo apt-get update
sudo apt-get -y install python3-pip
sudo apt-get -y install python3-pil
sudo apt-get -y install python3-socketio-client
sudo pip3 install RPi.GPIO
sudo pip3 install spidev
sudo pip3 install smbus
sudo rebootInstall pi-ZERO-volumio-epapper
sudo git clone https://github.com/cheehoong/pi-ZERO-volumio-epaper.git
sudo chmod -x sudo chmod +x /home/volumio/pi-ZERO-volumio-epaper/pi-volumio-epaper.py Add autostart (by using crontab)
sudo apt install cron
sudo crontab -eAdd below to last line
@reboot python3 /home/volumio/pi-ZERO-volumio-epaper/pi-volumio-epaper.py &save (Ctrl + x) and sudo reboot
sudo systemctl edit --force --full pi-volumio-epaper.service
# Add the following to spi_server.service..
[Unit]
Description=pi-ZERO-volumio-epaper
Wants=network-online.target
After=network-online.target
[Service]
Type=simple
User=volumio
WorkingDirectory=/home/volumio/pi-ZERO-volumio-epaper
ExecStart=/usr/bin/python /home/volumio/pi-ZERO-volumio-epaper/pi-volumio-epaper.py
[Install]
WantedBy=multi-user.target
# Enable the service using:
sudo systemctl enable pi-volumio-epaper.service
sudo systemctl start pi-volumio-epaper.service # ..or 'stop' to stop it
# To check if service is running..
systemctl status pi-volumio-epapersudo rm -r pi-ZERO-volumio-epaper
sudo git clone https://github.com/cheehoong/pi-ZERO-volumio-epaper.git
sudo chmod +x /home/volumio/pi-ZERO-volumio-epaper/pi-volumio-epaper.py
sudo rebootTo fix UnicodeEncodeError: 'latin-1'
当接收到中文消息时出现下方错误，简单说就是编码问题。
Traceback (most recent call last):
File "sub.py", line 24, in <module>
socketIO.wait()
File "/usr/local/lib/python3.5/site-packages/socketIO_client/__init__.py", line 232, in wait
self._process_packets()
File "/usr/local/lib/python3.5/site-packages/socketIO_client/__init__.py", line 254, in _process_packets
for engineIO_packet in self._transport.recv_packet():
File "/usr/local/lib/python3.5/site-packages/socketIO_client/transports.py", line 155, in recv_packet
six.b(packet_text))
File "/usr/local/lib/python3.5/site-packages/six.py", line 620, in b
return s.encode("latin-1")
UnicodeEncodeError: 'latin-1' codec can't encode characters in position 21-27: ordinal not in range(256)解决方法 找到socketIO_client的安装路径，例中跟six.py在同一目录下，路径是
cd /usr/lib/python3/dist-packages/socketIO_client/找到socketIO_client文件夹下的transports.py文件
sudo nano transports.py用编辑器打开transports.py，在144行左右的位置找到recv_packet函数
def recv_packet(self):
try:
packet_text = self._connection.recv()
except websocket.WebSocketTimeoutException as e:
raise TimeoutError('recv timed out (%s)' % e)
except websocket.SSLError as e:
raise ConnectionError('recv disconnected by SSL (%s)' % e)
except websocket.WebSocketConnectionClosedException as e:
raise ConnectionError('recv disconnected (%s)' % e)
except socket.error as e:
raise ConnectionError('recv disconnected (%s)' % e)
engineIO_packet_type, engineIO_packet_data = parse_packet_text(
six.b(packet_text))
yield engineIO_packet_type, engineIO_packet_data修改倒数第二行six.b(packet_text))为six.u(packet_text))，修改后保存.
再次运行代码接收中文消息，代码正常运行.
pip install -U socketIO-clientThe Zero 2 can easily be overclocked from 1.0 GHz to 1.3 GHz. To do this, insert the following in /boot/config.txt and restart
over_voltage = 6
arm_freq = 1300The CPU then throttles earlier under load or gets hot faster. Even without over_voltage, my Zero 2 runs stably at 1.2 GHz in a standard housing. Idle temps ~ 42 ° C
Unfortunately, the higher performance also leads to higher power consumption, which is only relevant for battery operation.
| Zero 1 W | 0.9 W |
|---|---|
| Zero 2 W (1 core) | 1.0 W |
| Zero 2 W (4 cores) | 2.2 W |
CPU stress test The idle power consumption of the Zero 2 is only slightly higher than that of the Zero 1 (0.5 W instead of 0.4 W). If, for example, you want to tease out a little more battery life in timelapse projects where performance is not important, you can deactivate 3 of the 4 CPU cores: To do this , you edit them /boot/cmdline.txt and insert them maxcpus=1after console=tty1. After a restart, only one of the 4 CPU cores is available. This means that in the event of a CPU spike, less power is used. Depending on how long the timelapse intervals are, that could be relevant.
In general, the Zero 2 W, like the Zero 1 W, can be operated on a USB (2.0 or 3.0) port, e.g. on a laptop, since it does not consume more than 500 mA at 5V = 2.5 W.
