I had an OrangePi Zero LTS and set up an access point using the following commands:
% sudo apt install dnsmasq-base -y
% sudo sed -i "s/#MulticastDNS=no/MulticastDNS=yes/g" /etc/systemd/resolved.conf
% sudo nmcli connection add type wifi ifname wlan0 con-name access_point autoconnect yes ssid <ssid>
% sudo nmcli connection modify access_point 802-11-wireless.mode ap 802-11-wireless.band bg ipv4.method shared
% sudo nmcli connection modify access_point connection.mdns 2
% sudo nmcli conn